Qorvo QPB7432 User Manual Download Page 9

 

 

 

 

 

QPB7432

 

Optical to Electrical Receiver User Manual 

Optical Receiver User Manual 

– Rev 02, Aug 12, 2018 

9 of 9 

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www.qorvo.com

 

  

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herein and assumes no responsibility or liability whatsoever for the use of the information contained herein. All information contained 
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such information.  

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HEREIN,  AND QORVO  HEREBY DISCLAIMS  ANY  AND  ALL  WARRANTIES  WITH  RESPECT  TO SUCH PRODUCTS  WHETHER 
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injury or death.

 

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Summary of Contents for QPB7432

Page 1: ...verview Keywords FTTH xPON Video Receiver QPB7432 Optical Node Low Noise TIA Abstract This document explains how to use and test the QPB7432 Optical Receiver Evaluation board Revision History Rev 1 0...

Page 2: ...ical input range from 18 dBm to 0 dBm The QPB7432 with recommended external control circuitry provides automatic gain control to maintain a constant 14 dBmV to 20 dBmV channel output to insure consist...

Page 3: ...2018 3 of 9 www qorvo com RFSA3043 Variable Attenuator Feedback Circuit QPB7432 QPB7432 OPTICAL RECEIVER BLOCK DIAGRAM 6 Pin Header RF OUT QPB7420 Discrete Equalizer Match PD Bias Circuit OPS OPS 5V 1...

Page 4: ...QPB7432 Optical to Electrical Receiver User Manual Optical Receiver User Manual Rev 02 Aug 12 2018 4 of 9 www qorvo com Figure 3 Know Your EVB...

Page 5: ...PB7432 OPTICAL RECEIVER O E Gain Measurement Set up Light Source Optical Attenuator The DUT QPB7432 Optical Receiver RFSA3043 Variable Attenuator QPB7420 RF Amp Multimeter OPS DC Power Supply DC Power...

Page 6: ...Aug 12 2018 6 of 9 www qorvo com QPB7432 OPTICAL RECEIVER Noise Measurement Set up The DUT QPB7432 Optical Receiver RFSA3043 Variable Attenuator QPB7420 RF Amp DC Power Supply DC Power Supply Vc VDD N...

Page 7: ...to a DC variable supply which can vary from 0V to 4 5V Do not switch on the power at this point 9 5V Vdd supply pin Set the DC Lab power supply with current limit to 5V limit the current to 225mA and...

Page 8: ...alent Input Noise 3 5 pA Hz RF Output Level at 547 25 MHz RF Output Level at 547 25 MHz 14 dBmV ch At 45 MHz 17 dB Output Return Loss At 600 MHz 15 dB At 1218 MHz 18 dB MER 90MHz to 850MHz 0dB tilt 96...

Page 9: ...ation itself or anything described by such information THIS INFORMATION DOES NOT CONSTITUTE A WARRANTY WITH RESPECT TO THE PRODUCTS DESCRIBED HEREIN AND QORVO HEREBY DISCLAIMS ANY AND ALL WARRANTIES W...

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